Just like so many places, there are words, place names that are pronounced differently from the way they are written. Here are some you may come across:
Greenwich – Gren-itch
Leicester – Less-ter
Dulwich – Dull-itch
Berkeley – Bark-lay (or maybe Bar-clay)
Chiswick – Chizz-ick
Borough – Buh-ruh
Fulham – FULL-ham (emphasis on the first bit)
Holborn – Ho-bun
Marylebone – Marley-bone
Grosvenor – Grove-nor
Ruislip – Rye-slip
Woolwich – Wool-itch
Gloucester – Gloss-ter
Worcestershire – Woostersher
Quay – Key
Euston – You-ston